DE69739985D1 - Optischer Modulator - Google Patents

Optischer Modulator

Info

Publication number
DE69739985D1
DE69739985D1 DE69739985T DE69739985T DE69739985D1 DE 69739985 D1 DE69739985 D1 DE 69739985D1 DE 69739985 T DE69739985 T DE 69739985T DE 69739985 T DE69739985 T DE 69739985T DE 69739985 D1 DE69739985 D1 DE 69739985D1
Authority
DE
Germany
Prior art keywords
optical modulator
modulator
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69739985T
Other languages
English (en)
Inventor
Yoshinobu Kubota
Yasuhiro Omori
Toshihiro Otani
Tomoyuki Itoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69739985D1 publication Critical patent/DE69739985D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/21—Thermal instability, i.e. DC drift, of an optical modulator; Arrangements or methods for the reduction thereof
DE69739985T 1997-02-17 1997-07-31 Optischer Modulator Expired - Lifetime DE69739985D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03248997A JP3742477B2 (ja) 1997-02-17 1997-02-17 光変調器

Publications (1)

Publication Number Publication Date
DE69739985D1 true DE69739985D1 (de) 2010-10-21

Family

ID=12360413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69739985T Expired - Lifetime DE69739985D1 (de) 1997-02-17 1997-07-31 Optischer Modulator

Country Status (4)

Country Link
US (1) US5953466A (de)
EP (1) EP0859263B1 (de)
JP (1) JP3742477B2 (de)
DE (1) DE69739985D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6128424A (en) * 1998-03-31 2000-10-03 Litton Systems Inc. Dual purpose input electrode structure for MIOCs (multi-function integrated optics chips)
JP2002023123A (ja) * 2000-07-11 2002-01-23 Fujitsu Ltd 非主要光を導波する光導波路を備える光回路
EP1306703A1 (de) * 2001-10-23 2003-05-02 Corning O.T.I. S.p.A. Optische Vorrichtungen zur Nachrichtenübermittlung
US6904186B2 (en) * 2001-11-16 2005-06-07 Ngk Insulators, Ltd. Optical modulators and a method for modulating light
US20040028334A1 (en) * 2002-05-06 2004-02-12 Marco Marazzi Active optical devices and methods of controlling them
US7009750B1 (en) 2002-10-25 2006-03-07 Eclipse Energy Systems, Inc. Apparatus and methods for modulating refractive index
US7426326B2 (en) * 2004-03-12 2008-09-16 The United States Of America As Represented By The Secretary Of The Navy Low loss bridge electrode with rounded corners for electro-optic modulators
WO2005089332A2 (en) * 2004-03-12 2005-09-29 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Low loss electrodes for electro-optic modulators
CA2537053A1 (en) * 2004-06-15 2005-12-29 Anritsu Corporation Monitor photodetector-equipped optical modulator
JP4911529B2 (ja) 2005-02-22 2012-04-04 日本碍子株式会社 光変調器
JP4874685B2 (ja) * 2005-03-25 2012-02-15 住友大阪セメント株式会社 光変調器
US7444039B2 (en) * 2005-03-25 2008-10-28 Sumitomo Osaka Cement Co., Ltd. Optical modulator
JP4658658B2 (ja) * 2005-03-29 2011-03-23 住友大阪セメント株式会社 光変調器
JP4922594B2 (ja) 2005-05-23 2012-04-25 富士通株式会社 光送信装置、光受信装置、およびそれらを含む光通信システム
US20060263097A1 (en) * 2005-05-23 2006-11-23 Fujitsu Limited Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
JP4657860B2 (ja) 2005-09-16 2011-03-23 富士通株式会社 光送信装置および光通信システム
JP2007093717A (ja) * 2005-09-27 2007-04-12 Oki Electric Ind Co Ltd 光変調器及びその制御方法
JP4935093B2 (ja) * 2006-02-02 2012-05-23 横河電機株式会社 光変調装置
US7764851B2 (en) 2007-11-01 2010-07-27 Ngk Insulators, Ltd. Optical modulators
US7783138B2 (en) * 2007-11-16 2010-08-24 Jds Uniphase Corporation Free-space integrated photodetector with reduced phase tracking error
JP2011164388A (ja) 2010-02-10 2011-08-25 Fujitsu Optical Components Ltd マッハツェンダ型光変調器
JP5108042B2 (ja) * 2010-03-11 2012-12-26 日本電信電話株式会社 光変調器
WO2012165656A1 (ja) 2011-06-01 2012-12-06 日本電気株式会社 光導波路デバイス、光干渉計及び光導波路デバイスの制御方法
JP5660095B2 (ja) * 2012-08-31 2015-01-28 住友大阪セメント株式会社 光変調器
CN106575015A (zh) * 2014-08-04 2017-04-19 住友电木株式会社 波导
CN111308740A (zh) * 2020-03-10 2020-06-19 苏州康冠光电科技有限公司 一种高消光比电光强度调制器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8822288D0 (en) * 1988-09-22 1988-10-26 Bt & D Technologies Ltd Electro-optic device
JP2738078B2 (ja) * 1989-11-01 1998-04-08 富士通株式会社 光変調器
JP2642499B2 (ja) * 1990-03-01 1997-08-20 富士通株式会社 光送信器、光変調器の制御回路および光変調方法
JP2800368B2 (ja) * 1990-05-18 1998-09-21 富士通株式会社 光変調器
US5199086A (en) * 1991-01-17 1993-03-30 Massachusetts Institute Of Technology Electro-optic system
JP3199402B2 (ja) * 1991-08-28 2001-08-20 富士通株式会社 マッハツェンダー型光導波路デバイス
US5267336A (en) * 1992-05-04 1993-11-30 Srico, Inc. Electro-optical sensor for detecting electric fields
WO1994028455A1 (en) * 1993-06-01 1994-12-08 United Technologies Corporation An electro-optic modulator having gated-dither bias control
JPH08194195A (ja) * 1995-01-20 1996-07-30 Hoya Corp 光導波路素子

Also Published As

Publication number Publication date
EP0859263B1 (de) 2010-09-08
EP0859263A3 (de) 1998-12-23
US5953466A (en) 1999-09-14
JPH10228006A (ja) 1998-08-25
EP0859263A2 (de) 1998-08-19
JP3742477B2 (ja) 2006-02-01

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